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author | Varun Gupta <varunraiko1803@gmail.com> | 2018-03-16 18:57:21 +0530 |
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committer | Varun Gupta <varunraiko1803@gmail.com> | 2018-03-17 10:51:19 +0530 |
commit | e3dd9a95e50ef2019435b01bd9e161d552673a28 (patch) | |
tree | 6e30a3ba05cb0582d1567e82d80fe8a726662d31 /mysql-test/r | |
parent | 3d5dff6cae5cdefe376583f811c9af109ea08080 (diff) | |
download | mariadb-git-e3dd9a95e50ef2019435b01bd9e161d552673a28.tar.gz |
MDEV-6736: Valgrind warnings 'Invalid read' in subselect_engine::calc_const_tables with SQ in WHERE and
HAVING, ORDER BY, materialization+semijoin
During cleanup a pointer to the materialised table that was freed was not set to NULL
Diffstat (limited to 'mysql-test/r')
-rw-r--r-- | mysql-test/r/having.result | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mysql-test/r/having.result b/mysql-test/r/having.result index 0b933427303..c509458d830 100644 --- a/mysql-test/r/having.result +++ b/mysql-test/r/having.result @@ -723,4 +723,18 @@ SELECT * FROM t1 JOIN t2 ON c1 = c2 HAVING c2 > 'a' ORDER BY c2 LIMIT 1; c1 c2 x x DROP TABLE t1,t2; +# +# MDEV-6736: Valgrind warnings 'Invalid read' in subselect_engine::calc_const_tables with SQ +# in WHERE and HAVING, ORDER BY, materialization+semijoin +# +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (3),(8); +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (2),(1); +SELECT a FROM t1 +WHERE 9 IN ( SELECT MIN( a ) FROM t1 ) +HAVING a <> ( SELECT COUNT(*) FROM t2 ) +ORDER BY a; +a +DROP TABLE t1,t2; End of 10.0 tests |